It should be clear that hepatitis B can be transmitted through sexual contact, so the husband has a positive hepatitis B, may be infectious. The level of contagiousness depends on the level of hepatitis B virus DNA in the body; the higher the level, the more contagious it is, while the lower the level, the less contagious it is. If you are negative for hepatitis B virus DNA, you are not contagious. Husband is a hepatitis B patient, if the indications for antiviral treatment are reached, antiviral treatment should be carried out in a timely manner, which can effectively inhibit viral replication and control the progress of the disease, while also reducing the chances of transmission to others. For healthy people without protective antibodies, vaccination against hepatitis B is still recommended as a very effective way to prevent hepatitis B virus infection. The three doses of hepatitis B vaccine are usually given according to the principles of 0, 1 and 6, and three months after all the vaccinations are completed, the five quantitative hepatitis B tests are repeated to determine whether protective antibodies have been produced.